What is the general issue of interest to the researcher? In what setting(s) does it occur, and whom does it affect? What are positive and negative aspects of the issue?

 What did the researcher find in the literature about the issue? What is already known? What are the current best explanations of the problem and its solutions?

 

How strong is the underlying evidence supporting the current explanations and are there problems with those studies? What issues remain to be understood?